Matsyapurana 47.58

47.58

bale rājyādhikārastu yāvatkālaṃ babhūva ha
tāvatkālaṃ tu prahlādo nivṛtto hy asuraiḥ saha //

Hiraṇyakaśyapu ruled the land with all the mundane glory at his command, for a period of one hundred million seventy eight crores and eighty thousand years, after whom Bali ruled for 20,080,000 years and Prahlâda also ruled for a similar period with other Asuras.—55-57.